pete bharara is the sheriff of wall street and in 2013 he's been busy tackling stride did transactions. >> the largest international money laundering case. >> reporter: dubious deals and insider trading. >> the scope of the legal trading was deep and it was wide. >> reporter: pete's crack down has completely changed the way information flows on wall street in that critical phone call, there is no telling anymore whether a federal agent is listening in. 77 people convicted since 2009 and in 2013 the propeeked with the guilty plea of sac capital, the hedge fund's owner steven cone in the government sites. >> there is no immunity or protection. >> reporter: he's not just fighting insider trading. he charged two jp morgan traders with hiding losses at the nation's largest bank and part of a nation-wide task force investigating the financial crisis. >> we're as aggressive as any in the country. >> reporter: some say not aggressive enough. in a stinging opinion piece for the new york review of books, the new york district judge says the failure to prosecute individuals could be one of the mo